公开(公告)号：US20230282234A1

公开(公告)日：2023-09-07

申请号：US18197465

申请日：2023-05-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jingsong WEI ,  Jun XU ,  Yang WANG ,  Renqi LIU ,  Hongwei TANG

IPC: G11B7/26 ,  G11B7/24062 ,  G11B7/243

CPC classification number: G11B7/268 ,  G11B7/24062 ,  G11B7/243 ,  G11B2220/2541 ,  G11B2007/24314 ,  G11B2007/24316

Abstract: An optical storage medium, a method for preparing an optical storage medium, and a system are provided. In this application, the optical storage medium includes a substrate and at least one data layer, the data layer includes a recording layer and a spacer layer, the recording layer is located on the spacer layer, and the data layer is located above the substrate. The recording layer may store data, the recording layer includes an area in which a phase change material is distributed and an area in which no phase change material is distributed, and the two different areas may indicate different data.